153420566 has 12 divisors (see below), whose sum is σ = 249195492. Its totient is φ = 70809336.

The previous prime is 153420539. The next prime is 153420569. The reversal of 153420566 is 665024351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153420569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226616 + ... + 227291.

It is an arithmetic number, because the mean of its divisors is an integer number (20766291).

Almost surely, 2^153420566 is an apocalyptic number.

153420566 is a deficient number, since it is larger than the sum of its proper divisors (95774926).

153420566 is a wasteful number, since it uses less digits than its factorization.

153420566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453935 (or 453922 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 153420566 is about 12386.3055831834. The cubic root of 153420566 is about 535.3377388222.

The spelling of 153420566 in words is "one hundred fifty-three million, four hundred twenty thousand, five hundred sixty-six".